Microsoft Patch Tuesday Updates:

This security update resolves vulnerabilities in Internet Explorer. The most severe of the vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Internet Explorer. An attacker who successfully exploited these vulnerabilities could gain the same user rights as the current user. If the current user is logged on with administrative user rights, an attacker who successfully exploited this vulnerability could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

This security update resolves vulnerabilities in Microsoft Edge. These vulnerabilities could allow remote code execution if a user views a specially crafted webpage using Microsoft Edge. An attacker who successfully exploited these vulnerabilities could take control of an affected system. An attacker could then install programs; view, change, or delete data; or create new accounts with full user rights.

This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an authenticated attacker on a guest operating system runs a specially crafted application that causes the Hyper-V host operating system to execute arbitrary code. Customers who have not enabled the Hyper-V role are not affected.

This security update resolves vulnerabilities in Windows Uniscribe. The most severe of these vulnerabilities could allow remote code execution if a user visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update resolves vulnerabilities in Microsoft Windows. The most severe of the vulnerabilities could allow remote code execution if an attacker runs a specially crafted application that connects to an iSNS Server and then issues malicious requests to the server.

This security update resolves vulnerabilities in Microsoft Windows, Microsoft Office, Skype for Business, Microsoft Lync, and Microsoft Silverlight. The most severe of these vulnerabilities could allow remote code execution if a user either visits a specially crafted website or opens a specially crafted document. Users whose accounts are configured to have fewer user rights on the system could be less impacted than users who operate with administrative user rights.

This security update resolves vulnerabilities in Microsoft Office. The most severe of the vulnerabilities could allow remote code execution if a user opens a specially crafted Microsoft Office file. An attacker who successfully exploited the vulnerabilities could run arbitrary code in the context of the current user. Customers whose accounts are configured to have fewer user rights on the system could be less impacted than those who operate with administrative user rights.

This security update resolves a vulnerability in Microsoft Exchange Outlook Web Access (OWA). The vulnerability could allow remote code execution in Exchange Server if an attacker sends an email with a specially crafted attachment to a vulnerable Exchange server.

This security update resolves a vulnerability in Microsoft Internet Information Services (IIS). The vulnerability could allow elevation of privilege if a user clicks a specially crafted URL which is hosted by an affected Microsoft IIS server. An attacker who successfully exploited this vulnerability could potentially execute scripts in the user’s browser to obtain information from web sessions.

This security update resolves vulnerabilities in Microsoft Windows. The vulnerabilities could allow elevation of privilege if an attacker logs on to an affected system and runs a specially crafted application that could exploit the vulnerabilities and take control of an affected system.

This security update resolves a vulnerability in Active Directory Federation Services (ADFS). The vulnerability could allow information disclosure if an attacker sends a specially crafted request to an ADFS server, allowing the attacker to read sensitive information about the target system.

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow an information disclosure if Windows DirectShow opens specially crafted media content that is hosted on a malicious website. An attacker who successfully exploited the vulnerability could obtain information to further compromise a target system.

This security update resolves a vulnerability in Microsoft Windows. The vulnerability could allow information disclosure if a user visits a malicious website. However, in all cases an attacker would have no way to force a user to click a specially crafted link. An attacker would have to convince a user to click the link, typically by way of an enticement in an email or Instant Messenger message.